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Children need friends ________ their own age to play with.
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Children need friends ________ their own age to play with.（ ）
A. of B. for C. in D. at
Children need friends ____ their own age to play with.
Children need friends _______ their own age to play with.
A.of B.for C.in D.at
Children need friends ________ their own age to play with．
A．of B．for C．in D．at